Table 2 Comparison of baseline characteristics between patients with or without stage II-III AKI
From: Risk factors for severe acute kidney injury among patients with rhabdomyolysis
Variables | Acute kidney injury stage II-III | p | |
|---|---|---|---|
No, n = 165 | Yes, n = 164 | ||
Age, mean ± SD, days | 43.5 ± 16.0 | 47.8 ± 15.6 | 0.014 |
Age group, n (%) | 0.024 | ||
 Age ≤ 40 | 69 (41.8) | 51 (31.1) |  |
 40 < Age < 60 | 74 (44.8) | 74 (45.1) |  |
 Age ≥ 60 | 22 (13.3) | 39 (23.8) |  |
 Male gender, n (%) | 129 (78.2) | 117 (71.3) | 0.153 |
 Smoking, n (%) | 60 (36.4) | 59 (36.0) | 0.942 |
 Chronic alcoholism, n (%) | 27 (16.4) | 54 (32.9) | 0.000 |
Comorbidity, n (%) | |||
 Hypertension | 15 (9.1) | 36 (22.0) | 0.001 |
 Diabetes | 7 (4.2) | 20 (12.2) | 0.009 |
 Hyperlipidemia | 12 (7.3) | 17 (10.4) | 0.322 |
 Sepsis | 83 (50.3) | 112 (68.3) | 0.001 |
Laboratory data, mean ± SD | |||
 Hemoglobin (g/L) | 105.5 ± 34.3 | 101.4 ± 39.7 | 0.314 |
 Platelets (109/L) | 147.4 ± 87.2 | 138.7 ± 84.8 | 0.358 |
 WBC (109/L) | 13.5 ± 7.4 | 17.3 ± 11.1 | 0.000 |
 Total bilirubin (μmol/L) | 27.8 ± 52.8 | 51.8 ± 84.4 | 0.002 |
 Direct bilirubin (μmol/L) | 14.7 ± 36.7 | 27.7 ± 47.4 | 0.006 |
 ALT (U/L) | 215.1 ± 336.2 | 453.6 ± 952.2 | 0.003 |
 AST (U/L) | 399.0 ± 565.5 | 1158.9 ± 2224.8 | 0.000 |
 Albumin (g/L) | 28.6 ± 9.2 | 29.6 ± 7.5 | 0.267 |
 Baseline BUN (mmol/L) | 6.9 ± 3.1 | 12.2 ± 7.7 | 0.000 |
 Scr (μmol/L) | 78.6 ± 24.7 | 185.5 ± 138.3 | 0.000 |
 Cystatin C (μmol/L) | 0.9 ± 0.4 | 2.2 ± 1.2 | 0.000 |
 Uric acid (μmol/L) | 252.2 ± 142.9 | 297.3 ± 148.0 | 0.005 |
 Triglycerides (mmol/L) | 1.5 ± 2.3 | 2.2 ± 2.6 | 0.016 |
 Cholesterol (mmol/L) | 3.1 ± 1.7 | 2.9 ± 1.8 | 0.487 |
 HDLC (mmol/L) | 0.9 ± 0.5 | 0.7 ± 0.4 | 0.000 |
 LDLC (mmol/L) | 1.6 ± 1.1 | 1.4 ± 1.1 | 0.098 |
 Potassium (mmol/L) | 3.9 ± 0.6 | 4.3 ± 0.9 | 0.000 |
 Calcium (mmol/L) | 2.0 ± 0.3 | 1.9 ± 0.3 | 0.022 |
 Phosphate (mmol/L) | 0.9 ± 0.4 | 1.6 ± 0.8 | 0.000 |
 PT (s) | 15.2 ± 4.2 | 16.1 ± 9.7 | 0.255 |
CK group, n (%) | 0.000 | ||
 1000 < CK ≤5000 (U/L) | 109 (66.1) | 40 (24.4) |  |
 5000 < CK ≤10,000 (U/L) | 26 (15.8) | 28 (17.1) |  |
 CK>10,000 (U/L) | 30 (18.2) | 96 (58.5) |  |
Outcome | |||
 Length of stay, mean ± SD, days | 29.4 ± 27.5 | 26.6 ± 22.1 | 0.304 |
 Mortality, n (%) | 23 (13.9) | 42 (25.6) | 0.008 |